New detector sets stage for devices that see through walls

September 8, 2014 11:22 AM

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A prototype graphene-based detector could lead to devices that can see below the surface of bodies, walls, and other objects.

The new detector, created by researchers at the University of Maryland in the USA, is able to pick up an extremely broad band of light wavelengths including notoriously difficult to detect terahertz waves, which are invisible to the human eye.